package com.atguigu.gulimall.product.service.impl;

import com.atguigu.common.to.SkuReductionTo;
import com.atguigu.common.to.SpuBoundTo;
import com.atguigu.common.utils.R;
import com.atguigu.gulimall.product.entity.*;
import com.atguigu.gulimall.product.feign.CouponFeignService;
import com.atguigu.gulimall.product.service.*;
import com.atguigu.gulimall.product.vo.*;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.atguigu.common.utils.PageUtils;
import com.atguigu.common.utils.Query;

import com.atguigu.gulimall.product.dao.SpuInfoDao;
import org.springframework.transaction.annotation.Transactional;

import javax.annotation.Resource;

/**
 * /TODO 高级部分完善
 */
@Service("spuInfoService")
public class SpuInfoServiceImpl extends ServiceImpl<SpuInfoDao, SpuInfoEntity> implements SpuInfoService {

    @Resource
    private SpuInfoDescService spuInfoDescService;

    @Resource
    private SpuImagesService imagesService;

    @Resource
    private AttrService attrService;

    @Resource
    private ProductAttrValueService attrValueService;

    @Resource
    private SkuInfoService skuInfoService;

    @Resource
    private SkuImagesService skuImagesService;

    @Resource
    private SkuSaleAttrValueService skuSaleAttrValueService;

    @Resource
    private CouponFeignService couponFeignService;

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<SpuInfoEntity> page = this.page(
                new Query<SpuInfoEntity>().getPage(params),
                new QueryWrapper<SpuInfoEntity>()
        );

        return new PageUtils(page);
    }

    @Transactional
    @Override
    public void saveSpuInfo(SpuSaveVo vo) {
        //1、保存spu基本信息 pms_spu_info
        SpuInfoEntity infoEntity = new SpuInfoEntity();
        BeanUtils.copyProperties(vo,infoEntity);
        infoEntity.setCreateTime(new Date());
        infoEntity.setUpdateTime(new Date());
        this.saveBaseSpuInfo(infoEntity);
        //2、保存spu的描述图片 `pms_spu_info_desc`
        List<String> decript = vo.getDecript();
        SpuInfoDescEntity descEntity = new SpuInfoDescEntity();
        descEntity.setSpuId(infoEntity.getId());
        descEntity.setDecript(String.join(",",decript));
        spuInfoDescService.saveSpuInfoDesc(descEntity);
        //3、保存spu的图片集 `pms_spu_images`
        List<String> images = vo.getImages();
        imagesService.saveImages(infoEntity.getId(),images);
        //4、保存spu的规格参数 `pms_sku_sale_attr_value`
        List<BaseAttrs> baseAttrs = vo.getBaseAttrs();
        List<ProductAttrValueEntity> collect = baseAttrs.stream().map(attr -> {
            ProductAttrValueEntity valueEntity = new ProductAttrValueEntity();
            valueEntity.setAttrId(attr.getAttrId());
            AttrEntity byId = attrService.getById(attr.getAttrId());
            valueEntity.setAttrName(byId.getAttrName());
            valueEntity.setAttrValue(attr.getAttrValues());
            valueEntity.setQuickShow(attr.getShowDesc());
            valueEntity.setSpuId(infoEntity.getId());
            return valueEntity;
        }).collect(Collectors.toList());
        attrValueService.saveProductAttr(collect);
        //5、保存spu的积分信息：gulimall_sms->sms_spu_bounds
        Bounds bounds = vo.getBounds();
        SpuBoundTo spuBoundTo = new SpuBoundTo();
        BeanUtils.copyProperties(bounds,spuBoundTo);
        spuBoundTo.setSpuId(infoEntity.getId());
        R r = couponFeignService.saveSpuBounds(spuBoundTo);
        if(r.getCode() != 0){
            log.error("远程保存spu积分信息失败");
        }
        //5、保存当前spu对应的所有sku信息；

        List<Skus> skus = vo.getSkus();
        if (skus != null && skus.size() > 0 ){
                skus.forEach(item->{
                    String defaultImg = "";
                    for(Images image : item.getImages()){
                        if(image.getDefaultImg() == 1){
                            defaultImg = image.getImgUrl();
                        }
                    }
                    SkuInfoEntity skuInfoEntity = new SkuInfoEntity();
                    BeanUtils.copyProperties(item,skuInfoEntity);
                    skuInfoEntity.setBrandId(infoEntity.getBrandId());
                    skuInfoEntity.setCatalogId(infoEntity.getCatalogId());
                    skuInfoEntity.setSaleCount(0L);
                    skuInfoEntity.setSpuId(infoEntity.getId());
                    skuInfoEntity.setSkuDefaultImg(defaultImg);
                    //5、1）、sku的基本信息：pms_sku_info
                    skuInfoService.saveSkuInfo(skuInfoEntity);

                    Long skuId = skuInfoEntity.getSkuId();
                    List<SkuImagesEntity> imagesEntities = item.getImages().stream().map(img -> {
                        SkuImagesEntity skuImagesEntity = new SkuImagesEntity();
                        skuImagesEntity.setSkuId(skuId);
                        skuImagesEntity.setImgUrl(img.getImgUrl());
                        skuImagesEntity.setDefaultImg(img.getDefaultImg());
                        return skuImagesEntity;
                    }).filter(entity->{
                        return !StringUtils.isEmpty(entity.getImgUrl());
                    }).collect(Collectors.toList());
                    //5、2）、sku的图片信息：pms_sku_images
                    skuImagesService.saveBatch(imagesEntities);
                    //TODO 没有图片路径的无需保存
                    //5、3）、sku的销售属性信息：pms_sku_sale_attr_value
                    List<Attr> attr = item.getAttr();
                    List<SkuSaleAttrValueEntity> skuSaleAttrValueEntities = attr.stream().map(a -> {
                        SkuSaleAttrValueEntity attrValueEntity = new SkuSaleAttrValueEntity();
                        BeanUtils.copyProperties(a, attrValueEntity);
                        attrValueEntity.setSkuId(skuId);

                        return attrValueEntity;
                    }).collect(Collectors.toList());
                    skuSaleAttrValueService.saveBatch(skuSaleAttrValueEntities);
                    //5.4)、sku的优惠、满减等信息；gulimall_sms
                    SkuReductionTo skuReductionTo = new SkuReductionTo();
                    BeanUtils.copyProperties(item,skuReductionTo);
                    skuReductionTo.setSkuId(skuId);
                    if (skuReductionTo.getFullCount() > 0 || skuReductionTo.getFullPrice().compareTo(BigDecimal.ZERO) == 1) {
                        R r1 = couponFeignService.saveSkuReduction(skuReductionTo);
                        if (r1.getCode() != 0) {
                            log.error("远程保存sku积分信息失败");
                        }
                    }



                });


        }



    }

    @Override
    public void saveBaseSpuInfo(SpuInfoEntity infoEntity) {
        this.baseMapper.insert(infoEntity);
    }

    @Override
    public PageUtils queryPageByCondition(Map<String, Object> params) {
        QueryWrapper<SpuInfoEntity> wrapper = new QueryWrapper<>();
        String key = (String) params.get("key");
        if (!StringUtils.isEmpty(key)){
            wrapper.and(w->{
               w.eq("id",key).or().like("spu_name",key);
            });
        }
        String  status = (String) params.get("status");
        if (!StringUtils.isEmpty(status)){
            wrapper.eq("publish_status",status);
        }
        String brandId = (String)params.get("brandId");
        if (!StringUtils.isEmpty(brandId) && !"0".equalsIgnoreCase(brandId)){
            wrapper.eq("brand_id",brandId);
        }
        String catelogId = (String) params.get("catelogId");
        if (!StringUtils.isEmpty(catelogId) && !"0".equalsIgnoreCase(catelogId)){
            wrapper.eq("catalog_id",catelogId);
        }
        IPage<SpuInfoEntity> page = this.page(
                new Query<SpuInfoEntity>().getPage(params),
                wrapper
        );

        return new PageUtils(page);
    }


}